Ink cartridge



FIG. 1 is a rear, bottom, and right side perspective view of an ink cartridge showing the new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a front elevational view thereof; and,

FIG. 8 is an enlarged rear elevational view thereof.

The broken lines shown in the figures are for the purpose of illustrating portions of the ink cartridge that form no part of the claimed design. 

CLAIM The ornamental design for an ink cartridge, as shown and described. 